Hi,
My fondness of Python (while scripting things for work) grew to the
point where I decided to try web development with it. Having
(apparently) nothing better to do on a Sunday afternoon, I went through
the Django tutorials.
The tutorial goes to some length to keep the "polls" app self-contained
and easily embeddable into the mysite project. However, it seems to do
so only for the back-end logic and not so much for the front-end UI.
In part 3
(https://docs.djangoproject.com/en/1.4/intro/tutorial03/#decoupling-the-urlconfs)
it rewrites the URLConfs to "mount" the app under some site-specific
prefix (/polls).
urlpatterns = patterns('',
url(r'^polls/', include('polls.urls')),
I quote from the tutorial:
"The idea behind include()
<https://docs.djangoproject.com/en/1.4/topics/http/urls/#django.conf.urls.include>
and URLconf decoupling is to make it easy to plug-and-play URLs. Now
that polls are in their own URLconf, they can be placed under "/polls/",
or under "/fun_polls/", or under "/content/polls/", or any other path
root, and the app will still work."
Ironically, it does not seem to be bothered with the HTML side of
things. Therefore:
1) index.html produces a hard-coded list of polls, which MUST be mounted
at "/polls", with:
{% for poll in latest_poll_list %}
<li><a href="/polls/{{ poll.id }}/">{{ poll.question }}</a></li>
{% endfor %}
2) detail.html routes the voting action to "/polls" POST
<form action="/polls/{{ poll.id }}/vote/" method="post">
3) results.html takes you back to voting in "/polls"
<a href="/polls/{{ poll.id }}/">Vote again?</a>
As I suspected, changing "mysite.urls" to this:
urlpatterns = patterns('',
url(r'^fun_polls/', include('polls.urls')),
... broke everything which was carefully crafted on the application-code
side of things.
I am currently tinkering to define a "app_prefix" variable in the code
and trying to have the templates read it from the context, so that
things become more modular...
I thought apps in Django were supposed to be like "Wicket components" or
"Java portlets" (i.e. carry their UI along). Am I letting my Java
background take me to the wrong direction here? Obviously, if someone
were to use the polls code mounted under "/fun_polls" they could create
their own version of "index/details/results.html" that use "/fun_polls"
for their prefix (and even display things differently)...
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